#Supervised feature selection
###fisher_score R.O. Duda, P.E. Hart, and D.G. Stork, Pattern Classification https://dl.acm.org/doi/book/10.5555/954544
##sparse learning based ###RFS Efficient and Robust Feature Selection via Joint l2,1-Norms Minimization https://proceedings.neurips.cc/paper/2010/file/09c6c3783b4a70054da74f2538ed47c6-Paper.pdf
###CFS Feature selection for machine learning: Comparing a correlation-based filter approach to the wrapper http://home.eng.iastate.edu/~julied/classes/ee547/Handouts/Flairs.pdf
##wrapper ###decision_tree_backward An Introduction to Variable and Feature Selection https://www.jmlr.org/papers/volume3/guyon03a/guyon03a.pdf